Received-SPF: neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) client-ip=195.171.43.25;
MIME-Version: 1.0
In-Reply-To: <PAEFLMFGBDKKCONLMLBICEAFECAA.ganymede444@btopenworld.com>
References: <CAMFjj71FfPgVND3ZttYeywraHpLZCRyX4Jej7JcUyzFP_EFToQ@mail.gmail.com>
	<PAEFLMFGBDKKCONLMLBICEAFECAA.ganymede444@btopenworld.com>
Date: Sun, 4 Aug 2013 10:26:50 -0400
Message-ID: <CAMFjj71S9x=OaS1VRgfgQRdRPJJXcg3HeUYwLHNZAe+ifAysdw@mail.gmail.com>
From: Warren Ziegler <wd2xgj@gmail.com>
To: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
Subject: Re: LF: RE: Decca Experts - Converting Red to Purple ?
Content-Type: multipart/alternative; boundary=047d7b2e4c468e1a4704e31ffbbe
Sender: owner-rsgb_lf_group@blacksheep.org
Precedence: bulk
Reply-To: rsgb_lf_group@blacksheep.org
Status: O

--047d7b2e4c468e1a4704e31ffbbe
Content-Type: text/plain; charset=ISO-8859-1

Tnx Dave,
    Good idea, Mike XDV and Dave are Decca gurus and I'm not sure if they
still monitor this list.

73 Warren


On Sun, Aug 4, 2013 at 10:20 AM, Dave G3WCB. <ganymede444@btopenworld.com>wrote:

> **
> Hi, Warren.
>
> Mike G3XDV and David G0MRF have published information on converting Decca
> TXs. Perhaps a PM direct to Mike and Dave would produce more information.
>
> From what I recall, you need to add more turns to the coils rather than
> pad the coils with more "C".
>
> 73, Dave G3WCB IO91RM
>
> -----Original Message-----
> *From:* owner-rsgb_lf_group@blacksheep.org [mailto:
> owner-rsgb_lf_group@blacksheep.org]*On Behalf Of *Warren Ziegler
> *Sent:* 04 August 2013 01:28
> *To:* rsgb_lf_group
> *Subject:* LF: Decca Experts - Converting Red to Purple ?
>
> Hello to all of the Decca Navigator experts out there...
>
>     I have an unconverted Decca 5501 transmitter which is marked "Red" - I
> believe that is 112kHz - would like to run it on 73kHz.  The tank coil
> reads about 80uH, can I just pad it down with more "C" to get to 73kHz or
> would that mess up the L/C ratio and thus lower the loaded "Q" ?
>
>     Another question - anyone have a spare "Purple" Decca on 71kHz that
> they would consider parting with?
>
>
>
> --
> 73 Warren K2ORS
>                 WD2XGJ
>                 WD2XSH/23
>                 WE2XEB/2
>                 WE2XGR/1
>                 WG2XRS/1
>
>
>
>
>


-- 
73 Warren K2ORS
                WD2XGJ
                WD2XSH/23
                WE2XEB/2
                WE2XGR/1

--047d7b2e4c468e1a4704e31ffbbe
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Tnx Dave,<div>=A0 =A0 Good idea, Mike XDV and Dave are Dec=
ca gurus and I&#39;m not sure if they still monitor this list.</div><div><b=
r></div><div>73 Warren</div><div><br></div></div><div class=3D"gmail_extra"=
><br>
<br><div class=3D"gmail_quote">On Sun, Aug 4, 2013 at 10:20 AM, Dave G3WCB.=
 <span dir=3D"ltr">&lt;<a href=3D"mailto:ganymede444@btopenworld.com" targe=
t=3D"_blank">ganymede444@btopenworld.com</a>&gt;</span> wrote:<br><blockquo=
te class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc so=
lid;padding-left:1ex">
<u></u>


<div>
<div><span><font face=3D"Arial" color=3D"#0000ff">Hi,=20
Warren.</font></span></div>
<div><span><font face=3D"Arial" color=3D"#0000ff"></font></span>=A0</div>
<div><span><font face=3D"Arial" color=3D"#0000ff">Mike=20
G3XDV and David G0MRF have published information on converting Decca TXs.=
=20
Perhaps a PM direct to Mike and Dave would=A0produce more=20
information.</font></span></div>
<div><span><font face=3D"Arial" color=3D"#0000ff"></font></span>=A0</div>
<div><span><font face=3D"Arial" color=3D"#0000ff">From=20
what I recall, you need to add more turns to the coils rather than pad the =
coils=20
with more &quot;C&quot;.</font></span></div>
<div><span><font face=3D"Arial" color=3D"#0000ff"></font></span>=A0</div>
<div><span><font face=3D"Arial" color=3D"#0000ff">73,=20
Dave G3WCB IO91RM</font></span></div>
<blockquote dir=3D"ltr" style=3D"MARGIN-RIGHT:0px">
  <div dir=3D"ltr" align=3D"left"><font face=3D"Tahoma"><div class=3D"im">-=
----Original Message-----<br><b>From:</b>=20
  <a href=3D"mailto:owner-rsgb_lf_group@blacksheep.org" target=3D"_blank">o=
wner-rsgb_lf_group@blacksheep.org</a>=20
  [mailto:<a href=3D"mailto:owner-rsgb_lf_group@blacksheep.org" target=3D"_=
blank">owner-rsgb_lf_group@blacksheep.org</a>]<b>On Behalf Of </b>Warren=20
  Ziegler<br></div><div class=3D"im"><b>Sent:</b> 04 August 2013 01:28<br><=
b>To:</b>=20
  rsgb_lf_group<br><b>Subject:</b> LF: Decca Experts - Converting Red to Pu=
rple=20
  ?<br><br></div></font></div><div class=3D"im">
  <div dir=3D"ltr">Hello to all of the Decca Navigator experts out there...
  <div><br></div>
  <div>=A0 =A0 I have an unconverted Decca 5501 transmitter which is=20
  marked &quot;Red&quot; - I believe that is 112kHz - would like to run it =
on 73kHz.=20
  =A0The tank coil reads about 80uH, can I just pad it down with more &quot=
;C&quot; to=20
  get to 73kHz or would that mess up the L/C ratio and thus lower the loade=
d &quot;Q&quot;=20
  ?</div>
  <div><br></div>
  <div>=A0 =A0 Another question - anyone have a spare &quot;Purple&quot; De=
cca on=20
  71kHz that they would consider parting with?</div>
  <div><br></div>
  <div><br clear=3D"all">
  <div><br></div>-- <br>73 Warren K2ORS<br>=A0 =A0 =A0 =A0 =A0=20
  =A0 =A0 =A0 WD2XGJ <br>=A0 =A0 =A0 =A0 =A0 =A0=20
  =A0 =A0 WD2XSH/23<br>=A0 =A0 =A0 =A0 =A0 =A0 =A0=20
  =A0 WE2XEB/2<br>=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=20
  WE2XGR/1</div>
  <div>=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WG2XRS/1</div>
  <div><br><br>=A0 </div></div></div></blockquote></div>
</blockquote></div><br><br clear=3D"all"><div><br></div>-- <br>73 Warren K2=
ORS<br>=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WD2XGJ <br>=A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 WD2XSH/23<br>=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 WE2XEB/2<br>=A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 WE2XGR/1<br><br>=A0
</div>

--047d7b2e4c468e1a4704e31ffbbe--